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annex Synonyms

Another word for annex

Looking for synonyms for annex? Sourced from our comprehensive thesaurus, here is a list of similar words and another word for annex, organized by relevance and context.
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• noun (Context 1)

A building joined to or associated with a main building, providing additional space or accommodations.

Usage Example

"The hospital constructed a modern extension to house its growing pediatric department."

Strongest
extension
Strong
addition
wing

• noun (Context 2)

An addition to a document, typically providing supplementary information.

Usage Example

"Please refer to the technical appendix at the back of the report for a full breakdown of the survey data."

Strongest
appendix
addendum
attachment
Strong
supplement

• verb (Context 3)

To incorporate (territory) into the domain of a city, country, or state, often by force or without permission.

Usage Example

"The empire threatened to appropriate the neighboring province to gain control of its rich mineral deposits."

Strong
appropriate
incorporate
seize
Weak
conquer

• verb (Context 4)

To add or attach as an extra or subordinate part, especially to a document.

Usage Example

"The lawyer decided to append the newly discovered emails to the court filing."

Strongest
append
attach
Strong
add
affix

Opposites of annex

Looking for antonyms? The opposite of annex varies depending on the context. Here are a few common opposites:

cede
detach
relinquish
remove
separate
surrender
See all opposites of annex

Cite this Entry


Wordmom. (2026). Synonyms for Annex. In Wordmom Thesaurus. Retrieved Oct 11, 2026, from https://wordmom.com/synonyms/annex
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